Finding the Fourth Proportional to 996,329.22, 1,374,964.68 and 566,671.20
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Solution
The fourth proportional to 996,329.22, 1,374,964.68 and 566,671.20 is: 782,023.52
Step by Step Solution
- Step 1: Write the proportion equation
996,329.22 : 1,374,964.68 = 566,671.20 : x - Step 2: Convert to fraction form
996,329.22/1,374,964.68 = 566,671.20/x - Step 3: Cross multiply
996,329.22x = 1,374,964.68 × 566,671.20 - Step 4: Simplify right side
996,329.22x = 779,152,885,173.22 - Step 5: Solve for x
x = 779,152,885,173.22/996,329.22 - Step 6: Final answer
x = 782,023.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.